[X86] Don't call validateInstruction from MatchAndEmitInstruction when MatchingInline...

Without this we can't parse gather instructions in ms inline asm blocks. The validateInstruction function was introduced in r316700 to check gather constraints.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317713 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/AsmParser/X86AsmParser.cpp b/lib/Target/X86/AsmParser/X86AsmParser.cpp
index b8ea2f0..2a784c9 100644 (file)
--- a/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -2791,7 +2791,7 @@ bool X86AsmParser::MatchAndEmitATTInstruction(SMLoc IDLoc, unsigned &Opcode,
                            isParsingIntelSyntax())) {
   default: llvm_unreachable("Unexpected match result!");
   case Match_Success:
-    if (validateInstruction(Inst, Operands))
+    if (!MatchingInlineAsm && validateInstruction(Inst, Operands))
       return true;
     // Some instructions need post-processing to, for example, tweak which
     // encoding is selected. Loop on it while changes happen so the
@@ -3082,7 +3082,7 @@ bool X86AsmParser::MatchAndEmitIntelInstruction(SMLoc IDLoc, unsigned &Opcode,
   // instruction will already have been filled in correctly, since the failing
   // matches won't have modified it).
   if (NumSuccessfulMatches == 1) {
-    if (validateInstruction(Inst, Operands))
+    if (!MatchingInlineAsm && validateInstruction(Inst, Operands))
       return true;
     // Some instructions need post-processing to, for example, tweak which
     // encoding is selected. Loop on it while changes happen so the individual